Green’s Dictionary of Slang

1. nonsense, rubbish.

1968

A. Salkey Late Emancipation of Jerry Stover (1982) 143: ‘Plenty trut’ in mos’ o’ the write-up,’ Bashra said [...] ‘An’ plenty raas, too,’ Marcus said humorously. ‘Ton loads o’ rass hole’.

2. a great fool, an absolute idiot.

1959

A. Salkey Quality of Violence (1978) 93: You, class-war rass hole, you! [Ibid.] 125: Get up, you big rass hole, you!

3. a synon. for ‘(the) hell’, ‘(a) fuck’, ‘(a) shit’ etc.

1983

C. Knight We Shall Not Die 29: Wha di raas hole yuh saying?